螺纹

This kind of pipe features: lower density;sound-proof, when used as drain-pipe, water flow against the screw-thread inwall downwards, which solves the problem of noise.

这种管道的特点：密度较低；健全溜走，当用作排水管、水流对螺纹内壁调低它解决了噪声。

It is identified that PVC expanded pipe with screw-thread inwall can lower the noise for 5 to 7 Db than PVC expanded pipe, and 10 -15 Db than solid wall PVC pipe, and it is the most idea drain pipe fro building up to now.

据鉴定，扩大聚氯乙烯管螺纹内壁可降低噪声5至7分贝，比聚氯乙烯扩管 10-15分贝，比固墙PVC管、而且也是最排水管穿梭建设构想到现在。

The basic structure of the WSP-1T special thread jointer recently developed by Wuxi Seamless Steel Tube Co., Ltd.

简介了无锡西姆莱斯石油专用管制造有限公司最近开发成功的WSP-1T特殊螺纹接头的基本结构。

The oil tube thread jointer used to conduct coating with the compound lubricant when connect the jointers.

以前在油井管螺纹接头连接时，要进行涂覆复合润滑脂。

Consult related standards before dimensioning standard structures of an individual part, such as the keyway or thread.

零件上的标准结构，如：键槽、螺纹等，应查表后再标注

This paper introduced the design process of the control system hardware circuit of numerical control thred lather in detail.

本文详细地介绍了数控螺纹车床控制系统硬件电路的设计过程。

It was found that trans-verse cyclic load is the most important factor affecting self-loosening of connecting rod bolts .

本文论述了连杆螺栓联接松动的机理，并指出横向交变动载荷是使螺纹松动的主要因素。

To hold the keel in the box, barely screw in a long lock bolt with washer into the threaded hole on top of the trunk.

举行龙骨在方块中，勉强螺钉在长期锁螺栓与垫圈进入螺纹孔的上方的主干。

The prevention of looseness of thread joining sets is very vital for the structure of vehicles.

螺纹联接副的防松在汽车结构中有着十分重要的意义。

I used two lag screws to fix two luxation sides on the sacroiliac joints.

我使用两支压迫性半螺纹的骨骡子做两侧肠荐关节的固定。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失